Patents Examined by Dwayne J. White
  • Patent number: 9982654
    Abstract: Wind turbine having a wind turbine tower, a nacelle provided on the wind turbine tower, a rotor hub rotatably mounted to the nacelle, and one or more wind turbine blades having a root end to be mounted to the rotor hub, a tip end, and pressure and suction sides connected to each other via a leading edge and a trailing edge. The wind turbine blade has a plurality of cross-sectional profiles arranged according to the surface of the suction side so that the surface of the suction side forms a line having a predetermined curvature which curves towards the pressure side of the wind turbine blade and/or forms an approximately straight line along at least part of the relative length. The line crosses each cross-sectional profile in that point on the pressure side where the maximum relative thickness of that profile perpendicular relative to its chord line is measured.
    Type: Grant
    Filed: October 31, 2013
    Date of Patent: May 29, 2018
    Assignee: Envision Energy (Denmark) ApS
    Inventor: Wout Ruijter
  • Patent number: 9976420
    Abstract: An aspirating seal assembly for use in a turbine engine is provided. The aspirating seal assembly includes a face seal and a rotary component. The face seal includes a first annular seal surface, and the rotary component includes a second annular seal surface positioned adjacent the first annular seal surface and defining a seal interface therebetween. The face seal is configured to discharge a flow of air towards the seal interface. The seal assembly also includes a first seal member extending between the first and second annular seal surfaces such that the flow of air induces a back pressure across the seal interface, and a second seal member positioned radially inward from the first seal member and extending between the first and second annular seal surfaces. A length of the second seal member is selected to increase the back pressure induced across the seal interface.
    Type: Grant
    Filed: July 23, 2015
    Date of Patent: May 22, 2018
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Quang Tue Nguyen Tran, Rodrigo Rodriguez Erdmenger, Christopher Jon Potokar
  • Patent number: 9976433
    Abstract: A rotor blade for a gas turbine engine includes a platform section between a root section and an airfoil section, the platform section having a non-axisymmetric surface contour.
    Type: Grant
    Filed: April 2, 2010
    Date of Patent: May 22, 2018
    Assignee: UNITED TECHNOLOGIES CORPORATION
    Inventors: Thomas J. Praisner, Eric A. Grover
  • Patent number: 9976427
    Abstract: The present disclosure provides systems for preventing improper installation of a damper seal. In various embodiments, an airfoil assembly may comprise a platform, an airfoil extending from the platform, and a platform tab. The airfoil may comprise a gaspath face and a non-gaspath face. The non-gaspath face may at least partially define a cavity. The airfoil may comprise a pressure side and a suction side. The platform tab may be located adjacent to the suction side of the airfoil. The platform tab may extend from the platform in the opposite direction as the airfoil and may be configured to prevent a damper seal tab from being inserted radially inwards of the platform tab.
    Type: Grant
    Filed: May 26, 2015
    Date of Patent: May 22, 2018
    Assignee: United Technologies Corporation
    Inventors: Joshua Daniel Winn, David A. Niezelski
  • Patent number: 9976558
    Abstract: Example implementations relate to a fan module. The fan module may include an outer impeller having a first plurality of radial blades arranged between an inner circumference of the outer impeller and an outer circumference of the outer impeller. The outer impeller may be rotatable about a first axis of rotation. The fan module may include an inner impeller having a second plurality of radial blades, the inner impeller disposed within the inner circumference of the outer impeller and rotatable about a second axis of rotation.
    Type: Grant
    Filed: February 26, 2015
    Date of Patent: May 22, 2018
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Chienlung Yang, Kuan-Ting Wu
  • Patent number: 9976567
    Abstract: The present invention relates to a rotor (90) applied to an extractor-fan assembly (80) for agricultural machines, especially for sugar-cane harvesters, the rotor (90) comprising a set of blades (1) fixed to a hub (2). Each of the blades (1) has such a construction that defines a root angle (3) that may range from 47 to 59 degrees, a medium angle (4) that may range from 53 to 69 degrees and a trailing angle (5) that may range from 66 to 78 degrees. Due to the construction angles of the blades (1), the air flow comes in contact with the rotor (9) smoothly, without any turbulence in its displacement, which results in high efficiency and efficacy of the extractor-fan assembly (80).
    Type: Grant
    Filed: December 10, 2014
    Date of Patent: May 22, 2018
    Assignee: MARCHESAN IMPLEMENTOS E MAQUINAS AGRICOLAS TATU S.A.
    Inventors: Dacio Helene Junior, Valter Palmute
  • Patent number: 9970298
    Abstract: A balancing device for a rotating part of a turbomachine, includes a ferrule pierced with a plurality of ports, a balancing screw passing through each port, each balancing screw including a body and a head, the head of each balancing screw being pierced with a recess, the balancing screws being of at least one first type, the recess of the screws of the first type being formed by a driving recess from which an additional recess extends.
    Type: Grant
    Filed: January 6, 2014
    Date of Patent: May 15, 2018
    Assignee: SNECMA
    Inventors: Jean-Luc Le Strat, Hervé Pohier, Romain Jean-Louis Robert Thory
  • Patent number: 9970442
    Abstract: A molten metal pump assembly (10) and method to fill complex molds with molten metal, such as aluminum. The pump assembly includes an elongated shaft (16) connecting a motor (14) to an impeller (22). The impeller is housed within a chamber (18) of a base member such that rotation of the impeller draws molten metal into the chamber at an inlet (48) and forces molten aluminum through an outlet (50). A first bearing (36) is adapted to support the rotation of the impeller at a first radial edge (32) and a second bearing (38) is adapted to support the rotation of the impeller at a second radial edge. A bypass gap (60) is interposed between the second bearing and the second radial edge. Molten metal leaks through the bypass gap at a predetermined rate to manipulate a flow rate and a head pressure of the molten metal such that precise control of the flow rate is achieved.
    Type: Grant
    Filed: April 18, 2012
    Date of Patent: May 15, 2018
    Assignee: PYROTEK, INC.
    Inventor: Jon Tipton
  • Patent number: 9970455
    Abstract: A compressor includes a housing; an impeller rotatably installed in the housing; a guidance unit connected to the housing at a first end of the guidance unit and configured to guide a fluid discharged by the impeller, the guidance unit configured to change a flow direction; and a scrolling unit connected to a second end opposite to the first end of the guidance unit. A width of an opening via which the fluid enters a circular space of the scrolling unit is about 1.5 to about 3.5 times a height of the guidance unit.
    Type: Grant
    Filed: July 15, 2015
    Date of Patent: May 15, 2018
    Assignee: HANWHA POWER SYSTEMS CO., LTD.
    Inventors: Jongjae Cho, Yeonhwa Cho, Bonggun Shin, Kangsoo Im
  • Patent number: 9970319
    Abstract: An airfoil body includes an airfoil wall defined between an internal cavity surface and an external airfoil surface. A pad extends from the internal cavity surface. A cooling hole extends from the external airfoil surface, through the airfoil wall and through the pad for fluid communication through the airfoil wall.
    Type: Grant
    Filed: May 4, 2015
    Date of Patent: May 15, 2018
    Assignee: UNITED TECHNOLOGIES CORPORATION
    Inventors: James M. Koonankeil, Edward F. Pietraszkiewicz
  • Patent number: 9963990
    Abstract: A ceramic matrix composite (CMC) seal segment for use in a segmented turbine shroud for radially encasing a turbine in a gas turbine engine. The CMC seal segment comprises an arcuate flange having a surface facing the turbine and a portion defining a bore for receiving an elongated pin, with the bore having a length that is at least 70% of the length of the elongated pin received therein. The CMC seal segment is carried by the carrier by at least one of the elongated pins being received within the bore. The CMC seal segment portion defining a pin-receiving bore is radially spaced from the arcuate flange by a spacing flange extending radially outward from the arcuate flange.
    Type: Grant
    Filed: May 26, 2015
    Date of Patent: May 8, 2018
    Assignees: Rolls-Royce North American Technologies, Inc., Rolls-Royce Corporation, Rolls-Royce High Temperature Composites, Inc.
    Inventors: Daniel Kent Vetters, David J. Thomas, Ted Freeman, Douglas David Dierksmeier, Jun Shi, Todd Engel
  • Patent number: 9957806
    Abstract: A method for the manufacture of a double-row blade wheel for a fluid-flow machine that includes a first grid row with a plurality of first blades and a second grid row with a plurality of second blades is provided. The method includes the following steps: manufacturing a first grid row or segments of the first grid row; manufacturing a second grid row or segments of the second grid row, independently of the first row; and after the respective manufacture, connecting the first grid row to the second grid row or connecting segments of the first grid row and/or of the second grid row to one another or to one of the grid rows.
    Type: Grant
    Filed: March 9, 2015
    Date of Patent: May 1, 2018
    Assignee: Rolls-Royce Deutschland Ltd & Co KG
    Inventors: Erik Johann, Jens Ortmanns
  • Patent number: 9938835
    Abstract: A system for providing cooling of a turbine rotor wheel includes a rotor wheel including a plurality of dovetail slots spaced circumferentially about a peripheral surface of the rotor wheel. Each of the dovetail slots includes a pair of opposite upper slot tangs and a pair of opposite lower slot tangs. The system also includes at least one turbine blade. The turbine blade includes an airfoil, a platform, and a dovetail. The dovetail includes a pair of opposite upper dovetail tangs and a pair of opposite lower dovetail tangs. The dovetail further includes at least one inlet aperture extending longitudinally therethrough. The pair of upper dovetail tangs include a first cooling hole extending therethrough and coupled in flow communication with the at least one inlet aperture.
    Type: Grant
    Filed: October 31, 2013
    Date of Patent: April 10, 2018
    Assignee: General Electric Company
    Inventors: Andrew Paul Giametta, David Richard Johns
  • Patent number: 9938831
    Abstract: A rotor for a gas turbine engine includes a plurality of blades which extend from a rotor disk, each of the plurality of blades extend from the rotor disk at an interface, the interface defined along a spoke.
    Type: Grant
    Filed: October 28, 2011
    Date of Patent: April 10, 2018
    Assignee: United Technologies Corporation
    Inventors: Gabriel L. Suciu, Stephen P. Muron, Ioannis Alvanos, Christopher M. Dye, Brian D. Merry, Arthur M. Salve, James W. Norris
  • Patent number: 9926915
    Abstract: A wind power generation system includes: blades configured to be rotated by wind; a generator configured to be driven by the rotation of the blades to generate power; a nacelle supporting the blades; and a tower supporting the nacelle rotatably. The wind power generation system is configured to receive the wind at a side opposite to a side of the nacelle on which the blades are provided. The system includes a radiator configured to dissipate heat in the nacelle through a cooling medium. The radiator is provided outside the nacelle on an upwind side of the nacelle. The radiator is provided with an intake surface thereof facing an upwind direction. A path is formed downstream of the radiator to guide the wind that has passed the radiator.
    Type: Grant
    Filed: July 29, 2014
    Date of Patent: March 27, 2018
    Assignee: Hitachi, Ltd.
    Inventors: Shigehisa Funabashi, Yasushi Shigenaga, Shingo Inamura, Masaru Oda
  • Patent number: 9920744
    Abstract: The present subject matter is directed to systems and methods for detecting rotor asymmetry of a wind turbine. The method includes measuring wind condition at a location downwind of the rotor for a plurality of rotor positions. Another step includes storing the measured wind condition(s) in predetermined wind bins. The method also includes analyzing the stored wind conditions for each of the predetermined wind bins. If a particular wind bin reaches a certain threshold of captured data points, then the method includes determining a variance between each of the stored wind conditions for the predetermined wind bins that have reached the threshold, wherein a variance between any one of the measured wind conditions greater than a predetermined amount is indicative of rotor asymmetry.
    Type: Grant
    Filed: May 4, 2015
    Date of Patent: March 20, 2018
    Assignee: General Electric Company
    Inventor: Thorsten Honekamp
  • Patent number: 9920656
    Abstract: A barrier coating for isolating a metallic support component from a composite component in a gas turbine engine is provided. The barrier coating may be applied to the metallic support component so that when the ceramic component is mounted on the metallic support component the barrier coating is engaged.
    Type: Grant
    Filed: June 24, 2015
    Date of Patent: March 20, 2018
    Assignee: Rolls-Royce Corporation
    Inventors: Sean E. Landwehr, Sungbo Shim, Adam L. Chamberlain, Ann Bolcavage
  • Patent number: 9915168
    Abstract: A turbofan engine has a fan having a circumferential array of fan blades. A fan case encircles the fan. There is at least one compressor section, a combustor, and at least one turbine section. The fan case comprises a containment case and a cartridge liner carried therein. A ballistic liner encircles at least a portion of the cartridge liner and is attached thereto.
    Type: Grant
    Filed: June 2, 2015
    Date of Patent: March 13, 2018
    Assignee: UNITED TECHNOLOGIES CORPORATION
    Inventors: Thomas J. Robertson, Jr., Steven Clarkson
  • Patent number: 9915199
    Abstract: A fan rotor has a hub, and a plurality of axial flow fan blades extending radially outwardly of the hub. A radial compressor impeller is positioned radially inwardly of the fan blades. The radial compressor impeller has an upstream inlet which extends generally in an axial direction defined by an axis of rotation of the hub. The radial flow compressor impeller has an outlet that extends radially outwardly of the inlet, and into a supply passage for supplying air to a core engine. An engine is also disclosed.
    Type: Grant
    Filed: October 8, 2012
    Date of Patent: March 13, 2018
    Assignee: United Technologies Corporation
    Inventor: Sohail Mohammed
  • Patent number: 9915175
    Abstract: A system is provided associated with an engine of an aircraft. The system includes a ring, a runner and at least one radially-oriented hole associated with the runner that is configured to supply oil to an interface between the runner and the ring. The at least one hole is contained within an axial projection of the ring.
    Type: Grant
    Filed: July 15, 2015
    Date of Patent: March 13, 2018
    Assignee: United Technologies Corporation
    Inventors: Jonathan L. Miller, M Rifat Ullah